The Dujiangyan (Chinese: 都江堰; pinyin: Dūjiāngyàn) is an ancient irrigation system in Dujiangyan City, Sichuan, China. Originally constructed around 256 BC by the State of Qin as an irrigation and flood control project, it is still in use today. The system's infrastructure develops on the Min River (Minjiang), the longest tributary of the Yangtze.

2022年10月11日 · Four Chinese historical irrigation sites were recognized as World Heritage Irrigation Structures, bringing the total number of such sites in China to 30, accounting for more than one fifth...

2013年12月30日 · Dujiangyan is the oldest and only surviving non-dam irrigation system in the world, and a wonder in the development of Chinese science. Built over 2,200 years ago in what is now Sichuan province in Southwest China, this incredible feat of engineering is still in use today to irrigate over 668,700 hectares of farmland, drain floodwater, and ...

2020年8月17日 · The Dujiangyan Irrigation System is located on the Chengdu Plain of the Minjiang River and it is one of the oldest irrigation systems in the world. With a history of over 2,000 years, its continuous function has turned it into a living relic, benefitting people living on the Chengdu Plain and making many believe that it is actually a greater ...

The Chinese used modern research and technology to create an irrigation system that was built have a lasting impact. The Dujiangyan network has been deemed a landmark of hydraulic engineering as the most complex net of an irrigation system designed in 250 BC.

It is the world's oldest and only functioning water conservation project that uses a unique method of diverting water without constructing a dam. It has been included on the UNESCO World Cultural and Natural Heritage List and the International Commission on Irrigation and Drainage (ICID)'s list of World Heritage Irrigation Structures.

2024年4月12日 · Dujiangyan is the oldest and only surviving no-dam irrigation system in the world; and a wonder in the development of Chinese science. The project consists of three important parts, namely Yuzui, Feishayan and Baopingkou scientifically designed to automatically control the water flow of the rivers from the mountains to the plains throughout the ...

…most spectacular is the ancient Dujiangyan irrigation system of the Chengdu Plain, which dates to the Qin dynasty (221–207 bce); it captures the torrential flow of the Min River and guides it through an artificial multiplication of channels into numerous distributaries along the gently graded plain. Annual dredging keeps the…

There are three major parts to this irrigation system. The first is a well designed levee named Yuzui (Fish Mouth) erected in the middle of the river that was shaped to control the amount of water that entered the two channels. The levee is shown in the picture.

2022年10月12日 · Four Chinese historical irrigation sites were recognized as World Heritage Irrigation Structures, the International Commission on Irrigation and Drainage announced in Adelaide, Australia,...